Finding the Fourth Proportional to 532,730.70, 798,415.65 and 216,830.70
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Solution
The fourth proportional to 532,730.70, 798,415.65 and 216,830.70 is: 324,969.12
Step by Step Solution
- Step 1: Write the proportion equation
532,730.70 : 798,415.65 = 216,830.70 : x - Step 2: Convert to fraction form
532,730.70/798,415.65 = 216,830.70/x - Step 3: Cross multiply
532,730.70x = 798,415.65 × 216,830.70 - Step 4: Simplify right side
532,730.70x = 173,121,024,280.46 - Step 5: Solve for x
x = 173,121,024,280.46/532,730.70 - Step 6: Final answer
x = 324,969.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.